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Doctor insights on:
How Fast Does Invasive Ductal Carcinoma Spread

1

It depends:
Tumors that are grade 3, or that have a high "proliferation rate", may spread more quickly than grade 1 or 2. Tumors that are er- (estrogen receptor negative) or her2+ spread more quickly than other types. Inflammatory breast cancer of any type can spread in days; the other types of invasive ductal carcinoma generally take months.
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An uncontrolled cell growth leading to invasion and metastases is what cancer is defined as. It produced abnormal growth of cells which acquire destructive properties causing serious threat to host's life, unless it can be removed or destroyed by one or another means.
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2

Variable:
It is well-established that cancer survival is related to timing of diagnosis, however, it's not that simple. Some aggressive cancers may spread very early and others may never regardless of timing. Furthermore, one's overall health (and immune system) may play a major role. Thankfully, most breast cancers are curable.
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3

Can be quick, but:
Could be years or never. You do not mention: size; stage, nodes + or -, age, receptor status (er, pr, her-2-neu). Breast cancer treatment can effect chance of relapse. I find the questions about speed odd...The true answer is we do not know in an individual what will happen, and rely on group statistics to frame what we tell patients. I emphasize, that individual may not behave like a group.
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4

Depends:
Invasive breast cancer has the ability to spread but not all invasive cancers do spread, especially if caught early. Cancer grows at different rates in people depending on age, hormone status of the tumor and genetic make up of the person. It is important to understand all of your options regarding treatment.
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7

Depends:
Not all breast cancers are the same and many other factors help to predict better or poorer outcomes such as tumor grade, # of positive lymph nodes, estrogen receptor status, her2neu status, etc. A score called oncotype DX based on genetic profiling of the cancer helps define prognosis also and tailor decisions as to the best and most beneficial treatment to use.
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8

An invasive:
Cancer is dangerous, meaning it can lead to death even if all the right things are done. So, i'd need more deatils to help put in perspective the danger and risk: age, size, nodes +/-, er, pr, her-2-neu status. Focus on positive after realizing the danger.
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9

High:
Published 5-yr survival rates are 81% for iia and 84% for iib breast ca. Keep in mind this includes mortality from other causes and reflects patients treated almost a decade ago. For more info...http://www.cancer.org/cancer/breastcancer/detailedguide/breast-cancer-survival-by-stage.
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10

More than 50%:
This is a hard question. Invasive ductal carcinoma is the most common type of breast cancer. It depends on whether it's stage3a, b or c, and the time of survival. At 5 years after diagnosis, 50-60% of women with stage 3 breast cancer are alive. Other factors are age, receptor status of the tumor, number of lymph nodes involved, and treatment. Remember that survival is improving all the time!
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